How to make a line in html horizontal

- How to make a horizontal line in html css
- How to make a black horizontal line in html
- How to make a horizontal line in html thicker
- How to make a small horizontal line in html
- How to make a colored horizontal line in html
- How to make a bold horizontal line in html
- How to make a dotted horizontal line in html
- How to make a horizontal line bigger in html
- How to make thin horizontal line in html
- How to make half horizontal line in html
- How to make horizontal line darker in html
- How to make images line up horizontally html